Refer to Exhibit 10-8. Removes the part of each subject's ...

[Alainaaa8]

Refer to Exhibit 10-8. Removes the part of each subject's posttest score that is in common with his/her pretest score.
 
  a. random assignment
  b. randomized matching
  c. homogeneous selection
  d. analysis of covariance
  e. use of subjects as their own controls

Question 2

A pretest may be used in an experiment
 
  a. as a matching variable.
  c. when change is being investigated.
  b. to assess group equivalence.
  d. All of these are true.

[manuelcastillo]

Answer to Question 1

D

Answer to Question 2

D